[PATCH v3 5/7] x86/paravirt: cleanup paravirt macros
From: Juergen Gross <jgross@suse.com>
Date: 2020-08-07 08:38:55
Also in:
lkml, xen-devel
Subsystem:
paravirt_ops interface, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Juergen Gross, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Some paravirt macros are no longer used, delete them. Signed-off-by: Juergen Gross <jgross@suse.com> --- arch/x86/include/asm/paravirt.h | 15 --------------- 1 file changed, 15 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index dedc89a07826..99da08852df0 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h@@ -614,16 +614,9 @@ bool __raw_callee_save___native_vcpu_is_preempted(long cpu); #endif /* SMP && PARAVIRT_SPINLOCKS */ #ifdef CONFIG_X86_32 -#define PV_SAVE_REGS "pushl %ecx; pushl %edx;" -#define PV_RESTORE_REGS "popl %edx; popl %ecx;" - /* save and restore all caller-save registers, except return value */ #define PV_SAVE_ALL_CALLER_REGS "pushl %ecx;" #define PV_RESTORE_ALL_CALLER_REGS "popl %ecx;" - -#define PV_FLAGS_ARG "0" -#define PV_EXTRA_CLOBBERS -#define PV_VEXTRA_CLOBBERS #else /* save and restore all caller-save registers, except return value */ #define PV_SAVE_ALL_CALLER_REGS \
@@ -644,14 +637,6 @@ bool __raw_callee_save___native_vcpu_is_preempted(long cpu); "pop %rsi;" \ "pop %rdx;" \ "pop %rcx;" - -/* We save some registers, but all of them, that's too much. We clobber all - * caller saved registers but the argument parameter */ -#define PV_SAVE_REGS "pushq %%rdi;" -#define PV_RESTORE_REGS "popq %%rdi;" -#define PV_EXTRA_CLOBBERS EXTRA_CLOBBERS, "rcx" , "rdx", "rsi" -#define PV_VEXTRA_CLOBBERS EXTRA_CLOBBERS, "rdi", "rcx" , "rdx", "rsi" -#define PV_FLAGS_ARG "D" #endif /*
--
2.26.2
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